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Autonomous System

AS18693

University of Colorado Hospital

Announced IPs
1,280
CIDR prefixes
4
ASN
AS18693

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

71/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18693 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
24.155.10.0/24 8,013 2026-07-23 17:48:57
168.200.5.0/24 7,101 2026-07-23 17:51:24
168.200.6.0/24 7,077 2026-07-23 17:51:24
168.200.2.0/23 5,563 2026-07-23 17:51:32

Frequently Asked Questions

What is AS18693?

AS18693 is an Autonomous System Number assigned to University of Colorado Hospital. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS18693 announce?

AS18693 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.

Who operates AS18693?

AS18693 is operated by University of Colorado Hospital. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18693 registered in?

AS18693 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 18:25:31 UTC
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